Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual unidade está na Mongólia?
 ###Tabelas: CREATE TABLE current_and_former_player_information (current_and_former_player_information_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Total W-L VARCHAR, Singles W-L VARCHAR, Doubles W-L VARCHAR, No. of ties INT, First year played INT, No. of years played INT) CREATE TABLE michigan_single-game_reception_yardage (michigan_single-game_reception_yardage_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Rec. INT, Yards INT, Average INT, s Touchdown INT, Year INT, Opponent VARCHAR) CREATE TABLE henderson–massey_local_board (henderson–massey_local_board_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile INT, Roll INT) CREATE TABLE current_bus_fleet_roster (current_bus_fleet_roster_id AUTO_INCREMENT PRIMARY KEY, Order Year INT, Fleet Series (Qty.) VARCHAR, Manufacturer VARCHAR, Model VARCHAR, Powertrain (Engine/Transmission) VARCHAR, Fuel or Propulsion VARCHAR, Division VARCHAR) CREATE TABLE newly_named_birds (newly_named_birds_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Status VARCHAR, Authors VARCHAR, Unit VARCHAR, Location VARCHAR, Notes VARCHAR)  
SELECT Unit FROM newly_named_birds WHERE Location = mongolia